Laminated structure for displaying information

Abstract

The invention relates to a process for preparing a laminated structure with at least successively a substrate, a phosphor first layer and an adhesive polymer material second layer.

1 . (canceled) 
     
     
         2 . A process for preparing a laminated structure, the process comprising:
 depositing a phosphor solution on a substrate, to obtain the first layer comprising the phosphor; and then   depositing an adhesive polymer material solution on the first layer.   
     
     
         3 . The process of  claim 2 , wherein the phosphor and adhesive polymer material solutions each independently comprise, as a solvent, an alcohol, a cellosolve, a ketone, an amide, an ether, an aromatic hydrocarbon, or any mixture thereof. 
     
     
         4 . The process of  claim 2 , wherein the phosphor solution comprises an adhesive polymer material, which is compatible with the adhesive polymer material solution. 
     
     
         5 . The process of  claim 2 , wherein the deposition of each solution is carried out by spraying, screen printing, or inkjet printing. 
     
     
         6 . The process of  claim 2 , wherein the laminated structure is transparent. 
     
     
         7 . The process of  claim 2 , wherein the substrate is a mineral material or a polymer material. 
     
     
         8 . The process of  claim 2 , wherein the substrate is a mineral material and the mineral material is a glassy material. 
     
     
         9 . The process of  claim 2 , wherein the substrate is a polymer material and the polymer material is a polycarbonate, an acrylic polymer, a polyolefin, a polyamide, an ionomer resin, or any mixture thereof. 
     
     
         10 . The process of  claim 2 , wherein the substrate is a polymer material, and the polymer material is an adhesive that is compatible with the adhesive polymer material of the second layer. 
     
     
         11 . The process of  claim 2 , wherein the phosphor is a coumarin, a stilbene, a betaine, a complex of a rare earth element, a derivative of rhodamine, a derivative of fluorol, a derivative of terephthalate, naphthal, naphthalimide, oxazole, perylene, phenyl, pyrene, styryl, xanthene, or any mixture thereof. 
     
     
         12 . The process of  claim 2 , wherein the first layer comprises an adhesive polymer material compatible with the adhesive polymer material of the second layer. 
     
     
         13 . The process of  claim 2 , wherein the adhesive polymer material of the second layer is a polyvinyl butyral, a polyurethane, an ethylene/vinyl acetate copolymer, or any mixture thereof. 
     
     
         14 . The process of  claim 2 , wherein the surface density of phosphor of the first layer is at least equal to 0.1-g/m 2 . 
     
     
         15 . The process of  claim 2 , wherein the surface density of phosphor of the first layer is at most equal to 5-g/m 2 . 
     
     
         16 . The process of  claim 2 , wherein the surface density of adhesive polymer material of the second layer is at least equal to 1 g/m 2 . 
     
     
         17 . The process of  claim 2 , wherein the surface density of adhesive polymer material of the second layer is at most equal to 20 g/m 2 . 
     
     
         18 . The process of  claim 2 , further comprising:
 bonding a sheet comprising a glassy material directly to the second layer, or connected thereto with a third layer comprising an adhesive polymer material.   
     
     
         19 . The process of  claim 2 , further comprising:
 bonding a sheet comprising a glassy material directly to the substrate, or connected thereto with a fourth layer comprising an adhesive polymer material.